cutadapt: fix test (#4599)
cutadapt: fix test (#4599)

failing due to https://github.com/galaxyproject/tools-iuc/pull/4490
galaxyproject/tools-iuc,loraine-gueguen/tools-iuc,loraine-gueguen/tools-iuc,gregvonkuster/tools-iuc,nekrut/tools-iuc,galaxyproject/tools-iuc,nsoranzo/tools-iuc,jj-umn/tools-iuc,loraine-gueguen/tools-iuc,loraine-gueguen/tools-iuc,loraine-gueguen/tools-iuc,pavanvidem/tools-iuc,nsoranzo/tools-iuc,gregvonkuster/tools-iuc,galaxyproject/tools-iuc,pavanvidem/tools-iuc,jj-umn/tools-iuc,nsoranzo/tools-iuc,pavanvidem/tools-iuc,nekrut/tools-iuc,galaxyproject/tools-iuc,nsoranzo/tools-iuc,gregvonkuster/tools-iuc,jj-umn/tools-iuc,galaxyproject/tools-iuc,gregvonkuster/tools-iuc,jj-umn/tools-iuc,gregvonkuster/tools-iuc,nekrut/tools-iuc,pavanvidem/tools-iuc,pavanvidem/tools-iuc,galaxyproject/tools-iuc,jj-umn/tools-iuc,nekrut/tools-iuc,galaxyproject/tools-iuc,nekrut/tools-iuc,nsoranzo/tools-iuc,loraine-gueguen/tools-iuc,nsoranzo/tools-iuc,loraine-gueguen/tools-iuc,nekrut/tools-iuc,pavanvidem/tools-iuc,pavanvidem/tools-iuc,nekrut/tools-iuc,gregvonkuster/tools-iuc,gregvonkuster/tools-iuc,jj-umn/tools-iuc,nsoranzo/tools-iuc,jj-umn/tools-iuc